Pin Base insulators from the Rick Hess Collection.


Dry Process Examples from Elton Gish’s Collection


           are a great variety of bolt and wood cob variations (or in some cases lead head cob varieties that were produced). The pins could be ordered in a seemingly  


The bases were made from dry and wet process porcelain and at least one is known to have been made from glass in the US .


26 Crown Jewels


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